Experimental vibration research

For modelling or to analyze the dynamic behaviour of a structure, it is important to measure the dynamic characteristics of the structure.Experimental analysis is achieved by using a two or more channel Digital Signal Processing (DSP) system.The characteristics of a structure can be determined by exciting the structure with a vibration exciter system and to measure the input force and response. The results are analyzed using advanced computational techniques of the structure, eigenfrequenties, damping and mode shapes.The mode shape analysis (Modal Analysis) enables simulation of the structure’s response to user defined forces.Consequently, theoretical physical-modifications can be made for improving the design of the structure.

To measure and to calculate the frequencies, damping and mode shapes of a structure. Setups are: Time domain, FFT spectrum, Auto-spectrum, Cross-spectrum, FRF functions, Coherence and Power spectra. In the Modal Analysis package it is possible to measure the Operation Deflection Shapes, and to calculate the Modal Model.